Cello Duet Cello - Level 2 - Digital Download SKU: A0.1192080 By Traditional. By Traditional. Arranged by Bragi Thor Valsson. 19th Century,Folk,Praise & Worship,Religious,Sacred. Score. 4 pages. Bragi Thor Valsson #791579. Published by Bragi Thor Valsson (A0.1192080). An arrangement of the hymn Down To The River To Pray for Cello duet with Piano accompaniment.